High Quality: Large upper platform rackmount for placing mixers, with side holes for supporting crossbars; Bottom rackmount for holding the amplifier, equalizer, etc. 4 swivel wheels for moving around easily; 2 of them have a lockable option for holding the stand firmly Side knobs of the top platform to adjust the angle of the top rack Overall metal construction for durable use&reliable lifespan Perfectly used for clubs, public amenities, outdoor shows, studio, stage, etc. Product Details: Height Range: 36 7/16"- 44 4/16" (92.5-112.4 cm ) Overall Unfolded Dimension (LxWxH): 22 15/16" x 20 15/16" x 44 1/4" (58.2 x 53.2 x 112.4 cm) Upper Platform Dimension (LxW): 22 15/16" x 20 15/16" (58.2 x 53.2 cm) Bottom Rackmount Dimension (LxW): 20 7/8" x 19 11/16" (53 x 50 cm) Height Range: 36 7/16" to 44 1/4" (92.5 to 112.4 cm) Upper Platform Load Capacity: Max. 110.23 Lbs (50 kg) Bottom Rackmount Load Capacity: Max. 220.46 Lbs (100 kg) Net Weight: 13.9 Lbs (6.3 kg) Also In The Box: 4x Bottom Installation Pipes 4x Casters 2x Left and Right Support Pipes 2x Middle Horizontal Pipes 2x Upper Left and Right Support Pipes 1x Upper Branch 2x Set of Fixed Screws 1x Manual Notice: Applicable to mixers whose device size is larger than the top and bottom dimensions.